How else can we ensure that there will be clean air to breathe for generations to come?

Air Quality- Many human activities result in air pollution, including emissions from vehicles and power plants, negatively impacting human health and economic efficiency. Scientists are analyzing policies to monitor and improve air quality since such regulations first came to pass. How else can we ensure that there will be clean air to breathe for generations to come?Include one of the Sub-Topics: Clean Air Act, Clean Power Plan